40
925.916.2 - GBINSTRUCTIONS PERTAINING TO THE USER
(2) This key can be pressed to set the central heating water output temperature as described in point 3-3.
(3)
This key can be pressed to set the domestic hot water temperature as described in point 3-4.
(10) Central heating mode operating key
The
key can be pressed to activate four boiler central heating operating modes; these modes are identied
by a black cursor line underneath the relative symbol on the display, and are as follows:
3.1
DesCrIptIon of keys
020503_0800
Figure 2
Dash
“Automatic mode”
active
a) Automatic operation. Operation of the boiler is controlled by the timed program as described in point 3-
5.1 “Daily timed program for operation of the central heating system”;
b) Manual operation at the maximum temperature set. temperature is that set using the (key (point 3-3:
“Setting the maximum central heating temperature”);
c)
Manual operation at minimum temperature. The operating temperature is that set in point 3-6: “setting
the minimum central heating temperature”.
The manual transition from positions a) and b) to position c) involves shut-down of the burner and disconnection
of the pump after the post-circulation delay interval (the factory setting for this parameter is 3 minutes).
d)
standby. The boiler does not work in central heating mode, although the antifreeze function is still
enabled.
(1) Domestic hot water on/off key. This key can be pressed to activate or deactivate this function, which is
identied on the display by a black cursor line under the symbol .
(4) Reset key. In case of a fault, referred to in point 3-7 “Faults and resetting the boiler”, the boiler can be restarted
by pressing this key for at least two seconds.
If this key is pressed with no fault present, the display will show the message “E153”, and the same key has to
be pressed again (for at least two seconds) to restart the boiler.
(9) Data key. This key can be pressed repeatedly to display the following information :
- Temperature (°C) of the domestic hot water (
);
- outdoor temperature (°C) ( ); only provided with the outdoor temperature sensor probe connected.
Press either of the keys to return to the main menu.
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